| 摘要 |
PURPOSE:To increase the processing speed of an operating processing section, by providing a bank address storage means which registrates the block readout objective banks corresponding to all the banks and a readout bus busy register representing use or non-use of the readout data bus. CONSTITUTION:An instruction interpreting means (IDE) interpreting the instruction given from an operating processing section, a memory bank address storage means registrating the address of a block readout objective memory bank in advance, and a bus busy register (DBR) to which information representing the operating status of the memory bank is stored, are provided, and a write instruction to banks without duplicated operations can continuously be operated for block readout. |
